http://172.19.1.196:8983/solr/secweb/select?q=PTT Expand OR "PTT stands for "Push to Talk," which is a communication method that allows users to engage in instant voice communication by pressing a button. It is often used in two-way radio systems or walkie-talkies." OR "PTT Rises" OR "PTT Elevates" OR "Petroleum Authority of Thailand Rises" OR "Petroleum Authority of Thailand Elevates"&wt=json&indent=true&facet=true&facet.field=key_filetype&facet.field=key_sitemap&facet.field=system_name&facet.field=key_keywords&hl=on&hl.fragsize=200&hl.fl=id,title_th,searchcontent_th&defType=edismax&qf=searchcontent_th&qf=id&qf=title_th^1000000&pf=title_th~5^1&pf=searchcontent_th~5^10000&ps=2&mm=100&qf=title_th_default&fq=system_name%3A%22Form%2056-1%20%3A%20Annual%20Registration%20Statements%22&start=0&rows=10